baber/WOPTO huggingface dataset:
Patent JP-2002518681-A (JP)
IPC: H02P29/00
Filed: 1999-06-01
Abstract: A method for measuring an angular rotation of a rotating shaft (22), the method comprising the steps of: attaching to the shaft a digital rotary encoder (23) which successively generates opposing binary logic states such that any pair of sequential logic states corresponds to a known angular rotation of the shaft, rotating the shaft, separately measuring a respective time period associated with each successive logic state generated by the digital rotary encoder, and summing said respective time periods associated with each successive logic state so as to derive an accumulated elapsed time interval of successive pairs of logic states generated by the digital rotary encoder thereby allowing derivation of the angular rotation or a function thereof of the shaft <IMAGE>
Patent JP-2002518454-A (JP)
Title: 免疫増強活性を有する草本エキス組成物
IPC: A61K38/00
Filed: 1999-06-19
Abstract: (57)【要約】
本発明は、アルムエキス、ザクロエキス、フヨウエキス及びチャエキスを含有する草本エキス組成物に関する。本組成物は、インビトロでリンパ球の芽球化及びサイトカイン生産を刺激し、そしてインビトロでgp120 の結合を阻害することが示され、従って、免疫障害及びHIV 感染の治療に有用で有り得る。
Patent JP-2002520098-A (JP)
IPC: A61M5/315
Filed: 1999-07-05
Abstract: The present invention relates to a medication delivery device comprising a cartridge assembly, a dosing assembly and optionally a needle assembly. The cartridge assembly comprises a cartridge having a stopper adapted to receive a plunger. Furthermore, the cartridge assembly has one end sealed with a pierce able sealing, said end comprising coupling device for engaging a needle assembly, and another end comprising coupling device for engaging the dosing assembly. The dosing assembly comprises a plunger and has coupling device for engaging the cartridge assembly. The cartridge assembly and the dosing assembly are coupled together for delivering selected doses of medication. The device further comprises mechanism for securing that the plunger abuts on the stopper during use of the device, in particular when the dosing assembly is releasable coupled to the cartridge assembly. The securing mechanism is preferably a mechanism for preventing the cartridge assembly from being inadvertently released from the dosing assembly. The cartridge is preferably molded from a plastic material, such as a transparent material, and may be housed in a cartridge housing for protection of the cartridge. The medication delivery device is especially suitable for delivering insulin, growth hormone or the like medicines.
Patent JP-2003524146-A (JP)
IPC: A61P17/06
Filed: 1999-06-28
Abstract: Methods of treating psoriasis and other cutaneous and extracutaneous disorders mediated by immunocytes bearing natural killer-type receptors (NK-T cells) for classical or non-classical MHC-class I-like molecules (and their functional homologs). The methods of the present invention include antagonizing the activation mediated by NK-type receptors for those diseases in which such immunocytes are causing or exarcebating the disease, as well as for methods to augment the immune response in infectious (viral, bacterial, or fungal) or neoplastic conditions in which such activation would be beneficial.
Patent JP-2002520547-A (JP)
Title: 接続装置及び接続取付部品
IPC: F16B5/02
Filed: 1999-07-02
Abstract: (57)【要約】
【課題】  機能部品が取付け後にほとんど見えず、その取付けを容易に行うことのできる比較的簡単な装置及び留め具を提供することである。
【解決手段】  例えば家具構成要素、ドア板とドア枠、窓サッシと窓枠のような構造部材を取外し可能に結合し、それぞれ雄部品及び雌部品の形状に形成された接続部品を備えた装置。その装置は、接続部品の少なくとも一つが、その少なくとも一部分と一緒に、関連した構造部材の周囲部分に合わせて変更された穴に挿入可能であるように形成され、接続部品３，４の周囲部分における少なくとも一つのセクタが突出した掴みフランジ１４を備えて形成され、接続部品が、掴みフランジの角度範囲に等しい角度にわたって穴内で回転された時に、掴みフランジが構造部材１，２の材料内に食い込み、それによって構造部材内の接続部品を係止するように、穴が形成されていることを特徴とする。
Patent JP-2002520340-A (JP)
Title: 除草剤
IPC: A01N1/00
Filed: 1999-07-08
Abstract: (57)【要約】
成分（Ａ）および（Ｂ）を含む混合除草剤は相乗的除草作用を有し、ここで（Ａ）は、ヘテロアリールオキシ−およびアリールオキシ−フェノキシプロピオン酸並びにその塩およびそのエステル並びにシクロヘキサンジオンから成る群の１つまたは２つ以上の除草剤であり、（Ｂ）は、主に単子葉植物に対抗しイネで選択作用を有する（Ｂ１）除草剤、主に双子葉有害植物およびカヤツリグサ科に対抗しイネで選択作用を有する（Ｂ２）除草剤、主にカヤツリグサ科に対抗しイネで選択作用を有する（Ｂ３）除草剤、および主に単子葉および双子葉有害植物並びにカヤツリグサ科に対抗しイネで選択作用を有する（Ｂ４）除草剤から成る化合物群の１つまたは２つ以上の除草剤である。
Patent JP-2002524134-A (JP)
IPC: A61M1/36
Filed: 1999-09-01
Abstract: An apparatus for the isolation of cell clusters that are either embedded or transported is preferably used for the isolation of the insulin-producing pancreatic islets of Langerhans, but it also can be used for the isolation of other types of cell clusters and particles in fluids as well. The apparatus employs digital imaging of the cell suspension on either a plane surface or in a capillary tubing, wherein a digital camera scans the cell suspension.
Patent JP-2002526775-A (JP)
Title: ＧＤＮＦについての新規Ｒｅｔ非依存性シグナリング経路
IPC: A61P25/00
Filed: 1999-10-01
Abstract: (57)【要約】
〔Ｃａ 2+ 〕 i  上昇、ＥＲＫ１、ＥＲＫ２およびＣＲＥＢリン酸化をもたらすＧＰＩ固定非依存性細胞内シグナリングのアゴニストおよびアンタゴニストのスクリーニング、およびＳｒｃファミリーキナーゼ活性化のための方法、ならびにかかるシグナリングのアゴニスト／アンタゴニストの投与を含む治療のための方法を記載する。
Patent JP-2002528015-A (JP)
Title: Ｔｄｍａ／ｔｄｄシステム用のリンクと無線セルの適用
IPC: H04W48/12
Filed: 1999-10-06
Abstract: (57)【要約】
ＴＤＭＡ／ＴＤＤリンク適用方法が基地局の無線リンク品質を決定する。当該無線リンク品質は、基地局から、すべての上り線と下り線のチャネル用の共通物理レイヤパラメータ識別子を有するブロードキャスト制御チャネルで、物理レイヤパラメータ識別子（１０−１６）を更新してブロードキャストするために使用される。
Patent JP-2002529595-A (JP)
IPC: F01D5/28
Filed: 1999-11-09
Abstract: The present invention concern a method using powder metallurgy for producing molded parts intended to be assembled by self-brazing to metal parts capable of receiving them and said receiving parts. The method comprises forming a homogenous mixture of a basic metal powder, brazing powder and a liquid binding agent which is injection molded to form a self-brazing part.
Patent JP-2002531010-A (JP)
Title: 多重キャリア通信におけるキャリア間でのビット割当て
IPC: H04J11/00
Filed: 1999-11-23
Abstract: (57)【要約】
マルチキャリア通信で用いられ得る技術が提供され、信号チャネルエラーから生じるエラーで受信されるエラー訂正符号記号（１０２、１０４・・・）の数を減らすことによる記号配向エラー訂正方法を用いてエラー訂正の効率を向上させる。さらに詳細には、本技術では、記号からのビットは、各伝送期間の間に１つより多いそれぞれの各記号に属するビットを割り当てられるそれぞれの各チャネルの数を最小にするようにチャネル間に割り当てられる。
Patent JP-2002533361-A (JP)
Title: 除草組成物および表面活性剤濃厚液
IPC: C11D1/94
Filed: 1999-12-22
Abstract: (57)【要約】
本除草剤水溶液は、３０重量％から飽和状態の水溶性グリホセート塩および８から２０重量％の表面活性剤を含有しており、この表面活性剤は表面活性剤の全重量に対して１０から１００重量％の両性表面活性剤および表面活性剤の全重量に対して０から９０重量％のエーテルカルボキシレートからなり、前記溶液は０．０３５重量％よりも少ないナトリウムイオンを含有する。予備配合した表面活性剤濃厚液は、１０から７０重量％のエーテルカルボキシレート、２０から８０重量％の低塩分の両性表面活性剤および１０から５０重量％の溶剤を含有する。
Patent JP-2002539160-A (JP)
Title: プロテアーゼ阻害剤
IPC: A61P1/02
Filed: 2000-03-16
Abstract: (57)【要約】
本発明は７員環１，３−ジオキセピン−５−オン  プロテアーゼ阻害剤、特に、システインおよびセリンプロテアーゼ阻害剤、およびこのようなプロテアーゼの活性を変化させることにより治療的に修飾できる疾患の治療方法を提供する。
Patent JP-2002540286-A (JP)
Title: 燃料油組成物
IPC: C10L1/182
Filed: 2000-03-21
Abstract: (57)【要約】
本発明は、燃料油、特には中間留出燃料油の、組成物であって、中間留出燃料油、及びその中に導入された、（ａ）少なくとも１種の燃料可溶性又は燃料分散性中性アルカリ土類金属化合物及び／又は少なくとも１種の燃料可溶性又は燃料分散性中性アルカリ金属化合物及び（ｂ）少なくとも１種の燃料可溶性又は燃料分散性遷移金属化合物を含む添加剤組成物を含む燃料油組成物であって、燃料油組成物中の硫黄含量が、最大０．０５質量％であり、燃料油組成物中の（ａ）及び（ｂ）から誘導される全金属含量が最大５０質量ｐｐｍであり、かつ、金属含量をベースとする（ａ）／（ｂ）の質量割合が１：９９〜９９：１であることを特徴とする燃料油組成物に関する。
Patent JP-2002542460-A (JP)
Title: 時計のケースへのバンドの取付け装置
IPC: G04B37/16
Filed: 1999-04-19
Abstract: (57)【要約】
【課題】  時計のバンドを時計ケースに取り付ける簡単且つ頑丈な装置を提供する。
【解決手段】  時計のケースへの時計バンドの取付け装置は、時計ケース（１）の少なくとも一方の側に設けられていて、ケース（１）の周壁で開口した２つの互いに平行な盲穴（６）及び全体としてＵ字形のループ（10；17,18 ）を有し、ループの横方向脚部（12,19 ）の端は、使用位置では、時計ケース（１）の盲穴（６）に嵌め込まれた状態で固定されるようになっている。
Patent JP-2002211813-A (JP)
Title: Winding product of cover tape
Inventor: ITO GORO
IPC: B65H18/10
Filed: 2001-01-11
Abstract: PROBLEM TO BE SOLVED: To provide a winding product of a cover tape capable of corresponding to a request for prolongation and preventing harmful deformation such as winding collapse and rewinding. SOLUTION: The winding product in which the cover tape 2 is traverse-wound is provided. A clearance S of 0.5 to 1.5 is formed between adjacent cover tapes per winding. When a tape width is W, a winding tensile force obtained from a tensile load for the tape width W is T, and a suppressing force (linear load) of the cover tape onto a winding shaft side is P, an expression of W/5.3=(9.0 to 14.0)/T, P=8.0×T to 12.0×T is satisfied.
Patent JP-2002211105-A (JP)
Title: Image forming method and printing medium used therein
Inventor: MINOWA YOSHIKI
IPC: B41M5/50
Filed: 2001-01-12
Abstract: PROBLEM TO BE SOLVED: To provide an image forming method for forming a high quality image by a method wherein the uniform absorption of a radiation heat sent from a light source and the efficient heat transfer to media such as cards so as to allow to form a high quality image and a printing medium used therein. SOLUTION: In the image forming method, in which a printing medium C consisting of a medium main body 95 and an ink image accepting layer 92 made of a dark color-based one peelably laminated onto the surface of the medium main body is employed and further which is equipped with a printing process for printing an image with a sublimation dye ink on the ink image accepting layer 92, a transferring process for forming the image through the diffusion and color development of the sublimation dye ink held on the ink image accepting layer 92 by the heat treatment with a lamp light source after the printing process over the surface of the medium main body 95 and a peeling process for peeling the ink image receiving process off the medium main body 95, the medium main body has an ink fixing layer 91 for diffusing and coloring the sublimation dye ink laminated onto the surface of a base material layer 90.
Patent JP-2001231462-A (JP)
Title: Method of increasing yield of egg production by poultry and strengthening egg shell
Inventor: BARDON THIERRY
IPC: A23K1/00
Filed: 2001-01-12
Abstract: PROBLEM TO BE SOLVED: To increase the yield of egg production by poultry and strengthen egg shells according to a method capable of avoiding ill effect associated with bisphosphonic acid administration. SOLUTION: Bisphosphonic acid, its pharmaceutically permissible salt, its hydrate or their mixture is administered to a hen before the average egg-laying initial age.
Patent JP-2002216551-A (JP)
Title: Shield cable
Inventor: TANAKA ATSUO
IPC: H01B11/00
Filed: 2001-01-12
Abstract: PROBLEM TO BE SOLVED: To provide a shield cable maintaining shield performance and facilitating termination work as well as satisfactorily corresponding to the latest electronic and electric devices newly loaded on a vehicle such as an automobile. SOLUTION: Plural signal wires 21 with insulating cover and a drain wire are arranged in parallel and the periphery of the shield cable 20 and the drain wire is successively covered with a shield layer 14 and an insulating sheath 15 to form a flat shield cable 20. The signal wire 21 has a double structure of an outer layer 21b1 and an inner layer 21b2. The outer diameter of the insulating inner cover layer of the signal wire 21 is 1.3 mm, and the outer diameter of the insulating outer cover layer is 1.5 to 3.0 mm. The cross-sectional area of a conductor 21a in the signal wire 21 is 0.05 to 0.22 mm2. The insulating covering 21b of the signal wire 21 is comprises an insulating material having permittivity of 1.7 to 2.8, and the characteristic impedance of the signal wire 21 is 7 Ω (±10%).
Patent JP-2002210963-A (JP)
Title: Liquid ejector, ink jet spray comprising it and method for manufacturing liquid ejector
Inventor: NAKATANI MASAYA
IPC: B41J2/16
Filed: 2001-01-15
Abstract: PROBLEM TO BE SOLVED: To minimize the area of a liquid ejection opening plane in a liquid ejector. SOLUTION: In the head member 4 of a liquid ejector, a liquid ejection opening 10 and a liquid supply opening 11 communicating with each pressure chamber are arranged on a line. More specifically, a pressurizing body 2 provided on one side of a pressurization chamber forming plate 1 comprising a single crystal plate of silicon is provided, on the other side thereof, with a head member formed of a glass substrate 3. A liquid supply tank member 5 is connected to a plane in the rear of the head member 4. It is also connected with a first lead-out electrode 15 formed on the head member 4 through a second lead-out electrode 16 formed on a flexible substrate 17. The liquid supply tank member 5 is provided, in the rear thereof, with a fluid inlet 6, and a liquid supply passage 7 communicating with the fluid inlet 6 opens on the other side.
Patent JP-2002215368-A (JP)
Title: Printer system for accounting and printing controller for estimating charge
Inventor: NAKAJIMA HISANORI
IPC: B41J29/38
Filed: 2001-01-15
Abstract: PROBLEM TO BE SOLVED: To enable an accounting with a printer occupying time to be taken into account, and enable a user to know rough charge before performing a printing, when the accounting is performed with the printer occupying time taken into account. SOLUTION: A printer driver 250 can refer to a DB 260 for charge calculation recording ink cost, etc., therein. The printer driver 250 measures the number of ink dots necessary for printing, when a spool file is prepared. An ink charge is estimated by the number of ink dots. Also, a printing time is estimated by the size of the spool file to calculate a time charge. In addition, a printing setting file 270 is referred to so as to estimate a sheet charge. Then, these charges are totaled and displayed as an estimated charge. After printing, the charge is calculated by the number of sheets used, the number of ink dots notified from the printer, and the printing time, and displayed on a screen.
Patent JP-2002211112-A (JP)
Title: Ink jet recording body
Inventor: ENDO ERIKO
IPC: B41M5/50
Filed: 2001-01-17
Abstract: PROBLEM TO BE SOLVED: To provide an ink jet recording body, which has a high print density, an ink absorbency, a print water resistance, a print humidity resistance and an image light resistance and is especially excellent in print lustrous properties and can output a clear image equal to the image of a daguerreotype. SOLUTION: This ink jet recording body consists of a support and a recording layer formed on at least one side of the support. In addition, the recording layer includes fine alumina particles, the average secondary particle diameter of which is 1 μm or less, and the quaternary salt of a polycondensate of dialkylamine and epichlorhydrin.
Patent JP-2002214118-A (JP)
Title: Color changing/fading evaluation method of paint color
Inventor: KATO KAZUHIRO
IPC: G01N17/00
Filed: 2001-01-17
Abstract: PROBLEM TO BE SOLVED: To predict quickly color changing/fading property of a paint color including multiple kinds of color pigments at optional ratios without executing an actual outdoor exposure test. SOLUTION: Color specification values (L, a, b) before and after a color changing/fading test of a paint film containing the color pigments and bright material in two or more kinds of ratios are measured to thereby operate a recurrence formula, and the operation is executed relative to all color pigments included in the paint color, and the concentrations of each color pigment in the paint color to be evaluated are applied to the recurrence formula, to thereby estimate the color specification values (Ln, an, bn), (Ln', an', bn') before and after the color changing/fading test.  Then tristimulus values (Xn, Yn, Zn), (Xn', Yn', Zn') before and after the color changing/fading test are determined therefrom, and the tristimulus values are divided respectively by tristimulus values (X0, Y0, Z0) of the bright material, to thereby calculate respectively spectral transmittance substitute values (Xn/X0, Yn/Y0, Zn/Z0), (Xn'/X0, Yn'/Y0, Zn'/Z0) before and after the color changing/fading test. The substitute values are multiplied respectively by the tristimulus values (X0, Y0, Z0) of the bright material, to thereby calculate tristimulus values (Xm, Ym, Zm), (Xm', Ym', Zm') before and after the color changing/ fading test of the paint color. Then, the color specification values (Lm, am, bm), (Lm', am', bm') before and after the color changing/fading test are calculated therefrom and evaluated.  Hereby, evaluation agreeing well with the evaluation by the outdoor exposure can be executed.
Patent JP-2002215601-A (JP)
Title: Microcomputer
Inventor: KANABORI NORIMASA
IPC: G06F15/78
Filed: 2001-01-17
Abstract: PROBLEM TO BE SOLVED: To improve AD conversion accuracy by AD converting an analog signal of a certain moment. SOLUTION: This microcomputer internally stores an AD conversion circuit 10 for converting the analog signal supplied from an analog input terminal 11 into a digital signal, and has a detecting circuit 20 for detecting an external interrupt signal/INT supplied from an external interrupt terminal 21, a register 23 for setting an AD conversion interrupt flag, and an AND gate 24 for making the logical product of output of the detecting circuit 20 and output of the register 23, and starts conversion operation of the AD conversion circuit 10 according to the output of the AND gate 24.
Patent JP-2001245679-A (JP)
Title: Improved saccharification for cellulose by cloning and amplifying beta-glucosidase gene of trichoderma reesei
Inventor: FOWLER TIMOTHY
IPC: A23L27/00
Filed: 2001-01-18
Abstract: PROBLEM TO BE SOLVED: To produce a cellulase composition not containing detergents and β-glucosidase effective for the isolation of cellooligosaccharides by using a fungus. SOLUTION: This cellulase composition not containing β-glucosidase is produced by using the fungus obtained by means of deleting β-glucosidase expressible gene from the genome of a fungus producing a cellulase composition containing β-glucosidase.
Patent JP-2002214926-A (JP)
Title: Endless belt member and image forming device
Inventor: SHIMADA AKIRA
IPC: G03G15/16
Filed: 2001-01-18
Abstract: PROBLEM TO BE SOLVED: To provide an endless belt member by which elongation and contraction at a running time are reduced and an image having excellent quality is obtained. SOLUTION: The endless belt member used in an image forming device to form the image by passing through an electrifying process, an image exposure process, a developing process and a transfer process is constituted of at least two or more layers, and at least a first layer which is a most back face is obtained by the extrusion molding of a thermoplastic resin by the extruder of a ring-like die, and the Young's elastic modulus of a material constituting the first layer is set >=20000 kg/cm2, and tensile strength is set >=500 kg/cm2, and also the hardness of a material constituting a second layer at least positioned on a surface side from the first layer is set <=D85, and break elongation is set >=50%.
Patent JP-2002214730-A (JP)
Title: Erasing unit for stimulative phosphor sheet
Inventor: KENMOCHI TAKAHIRO
IPC: G03B42/02
Filed: 2001-01-22
Abstract: PROBLEM TO BE SOLVED: To provide an erasing unit for stimulative phosphor sheet which reliably performs the detection of temperature abnormality and improves the stability of temperature abnormality detection with a simple constitution. SOLUTION: This first and second erasing units 100a, 100b are provided with light sources for erasure 104a to 104d and cooling means 106a, 106b. Temperature detecting means 118a, 118b are arranged on the position against which the cooling wind guided from the cooling means 106a, 106b is directly blown and the abnormality of the cooling means 106a, 106b can be detected easily and surely via the temperature detecting means 118a, 118b.
Patent JP-2002218234-A (JP)
Title: Image reader, control method therefor and recording medium therefor
Inventor: YASHIKI MITSUHIRO
IPC: H04N1/387
Filed: 2001-01-23
Abstract: PROBLEM TO BE SOLVED: To provide an image reader and the control method by which image data are generated under respective optimum conditions for respective images from an original in which the images of different properties coexist by one read operation in the image reader for reading the original as the object of read and providing a host device with the image data. SOLUTION: Two or more image areas are set in the read area of this image reader and image specifications independent of each other are set in the respective areas. The image data including the image areas are transferred to the host device altogether and the image data are restored for the respective image areas in the host device. Further, the control program and driver program of the image reader for setting the image areas are stored in a computer readable recording medium.
Patent JP-2002223071-A (JP)
Title: Build-up core board, build-up wiring board and method for manufacturing the same
Inventor: OKIKAWA SUSUMU
IPC: H05K3/46
Filed: 2001-01-29
Abstract: PROBLEM TO BE SOLVED: To provide a board in which thermally/electrically conductive posts with remarkably small variation in shape or dimension is sealed. SOLUTION: A method for manufacturing a build-up core board mainly comprises steps of: 1. bonding a post forming layer (Cu, Cu-based alloy, Fe-Ni- based alloy) on one main surface of a barrier layer (Ni, Ti, Sn, etc.), and a carrier layer on the other main surface, 2. removing a prescribed region so as to reach the barrier layer by etching to form a pattern etching product on which a plurality of thermally/electrically conductive posts are bristled and perforated plate parts made of the same materials are disposed through a hollow part around the posts, laminating prepregs, and thermally pressurizing the product to form a laminate, 3. removing the carrier layer from the laminate, and 4. removing the barrier layer, laminating the prepregs, and thermally pressurizing the product to form a build-up core board.  In this case, for a very thin copper foil, a copper foil is preferably made of a composite copper foil having a carrier copper foil layer and an exfoliation layer or a copper foil formed by a transcribing method to improve productivity.
Patent JP-2001296556-A (JP)
Title: Active matrix display panel
Inventor: OZAWA NORIO
IPC: G02F1/1368
Filed: 2001-01-30
Abstract: PROBLEM TO BE SOLVED: To realize an active matrix display panel which can be improved in a display characteristics and reliability by equalizing parasitic electric component on a video signal line. SOLUTION: On the side of a source driving circuit of the active matrix liquid crystal panel, parasitic capacitance in the video signal paths are equalized by equalizing wiring widths of prescribed parts of source side wiring layers Sa1, Sa2 crossing the video signal lines V1, V2, V3. The parasitic electric resistance thereof are also equalized by providing wiring widths expansion parts S11 and narrow parts S22 (electric resistance correction part) according to the wiring lengths of the source side wiring layers Sa1, Sa2, Sa3.
Patent JP-2002231980-A (JP)
Title: Thin film semiconductor processor
Inventor: MIZUNO SHINICHI
IPC: H01L31/04
Filed: 2001-01-31
Abstract: PROBLEM TO BE SOLVED: To provide a thin film semiconductor processor where an epitaxial film can easily be peeled from a single crystal silicon substrate in a porous silicon layer while the damage to the epitaxial film is suppressed as much as possible at the time of manufacturing a thin film semiconductor element. SOLUTION: The thin film semiconductor processor 10 is provided with a gas compressor 12 and a pressure container 11. A substrate holder 13 is fixed to a base in the pressure container 11, and a piston 14 which can be displaced in a vertical direction is arranged on an upper face. The back of a semiconductor substrate is closely stuck to the wafer chuck 15 of the substrate holder 13 and the surface of the epitaxial film 3 to the wafer chuck 16 of the piston 14. Thus, a semiconductor substrate 1 is held. Compressed gas supplied from the gas compressor 12 to the pressure container 11 passes through the gap of the porous silicon layer 2. Thus, pressure is applied to the epitaxial film 3 in the vertical direction, and the epitaxial film 3 is pushed upward with the piston 14 and is peeled from the semiconductor substrate 1.